CN203069013U - Coiled pipe type heat exchanger for residual heat removal pump mechanical seal water - Google Patents
Coiled pipe type heat exchanger for residual heat removal pump mechanical seal water Download PDFInfo
- Publication number
- CN203069013U CN203069013U CN 201220688320 CN201220688320U CN203069013U CN 203069013 U CN203069013 U CN 203069013U CN 201220688320 CN201220688320 CN 201220688320 CN 201220688320 U CN201220688320 U CN 201220688320U CN 203069013 U CN203069013 U CN 203069013U
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- mechanical seal
- seal water
- flange
- heat exchanger
- water inlet
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Abstract
The utility model relates to the technical field of pressurized water reactor heat exchangers and particularly discloses a coiled pipe type heat exchanger for residual heat removal pump mechanical seal water. According to the heat exchanger, the lower end of a barrel body is sealed through an ellipsoidal head. A barrel body flange is fixed at the upper end of the barrel body. A flange cover plate is fixed at the upper end of the barrel body flange through a plurality of bolts. A mechanical seal water inlet connecting pipe penetrates through the flange cover plate and is connected with a spiral end of a spiral coiled pipe type heat exchange pipe. The heat exchange pipe is arranged on a baffling sleeve inside the barrel body in a coiling mode, and the spiral pipe end of the lower end of the heat exchange pipe penetrates through the baffling sleeve and is fixedly connected with a mechanical seal water outlet connecting pipe which penetrates through the flange cover plate. A cooling water inlet elbow penetrates through the flange cover plate and is fixed on the flange cover plate located at an area above the baffling sleeve, and a cooling water outlet elbow penetrates through the flange cover plate and is fixed on the flange cover plate located above a ring-shaped area between the baffling sleeve and the barrel body. The heat exchanger is compact in structure, high in heat exchange efficiency, and capable of cooling the mechanical seal water of a pump.
Description
Technical field
The utility model belongs to presurized water reactor heat exchanger technical field, is specifically related to a kind of coiled residual heat removal pump mechanical seal water heat exchanger.
Background technology
When normally stopping transport in the power station, discharge the sensible heat in residual heat of nuclear core, a loop and the heat that a circuit system main pump produces by residual heat removal system, reactor is entered and maintain the cold shut state.The residual heat removal pump that drives residual heat removal system circular flow is horizontal, centrifugal pump of single stage type, is equipped with by the lubricated mechanical seal of reactor coolant, and cooling agent obtains the cooling of component cooling water in the mechanical seal water heat exchanger.
As can be seen, the normal operational relation of residual heat removal pump to nuclear power plant normal/safety during breakdown, and the used mechanical seal water heat exchanger of this pump is one of auxiliary equipment that ensures its normal operation, has certain importance.
Summary of the invention
The purpose of this utility model is to provide a kind of coiled residual heat removal pump mechanical seal water heat exchanger, can solve nuclear power plant normal/discharge of waste heat during breakdown.
The technical solution of the utility model is as follows: a kind of coiled residual heat removal pump mechanical seal water heat exchanger, comprise that cylindrical shell, cooling water inlet bend pipe, coolant outlet bend pipe, heat exchanger tube, mechanical seal water inlet are taken over and the mechanical seal water out is taken over, wherein, the cylindrical shell lower end of cylindrical drum structure seals by ellipse head, fixedly there is shell flange the cylindrical shell upper end, and flange plate is bolted to the upper end of shell flange by several; The mechanical seal water inlet is taken over and is passed flange plate, and be connected with the spiral end of the heat exchanger tube of helical disk tubulose, the heat exchanger tube coiling is built up in the baffling sleeve in the cylindrical shell, and the spiral pipe end of heat exchanger tube lower end passes the baffling sleeve, and fixedlys connected with the mechanical seal water out adapter of passing flange plate; The cooling water inlet bend pipe passes and is fixed on the flange plate that is positioned at baffling sleeve upper area, and the coolant outlet bend pipe passes and is fixed on the flange plate above the annular region between baffling sleeve and the cylindrical shell.
Described baffling sleeve is the cylindrical drum structure, and the area of ring section is suitable between the circular cross-sectional area of baffling sleeve and baffling sleeve and the cylindrical shell.
Described ellipse head center drilling also is equipped with drain nozzle; Also be provided with vent connection on the flange plate of annular region top between described baffling sleeve and the cylindrical shell.
Be provided with gasket seal between described flange plate and the shell flange, can realize sealing between flange plate and the shell flange.
Described mechanical seal water inlet is taken over the upper end mechanical seal water inlet flange is installed; Described mechanical seal water out is taken over the upper end mechanical seal water out flange is installed; On the described cooling water inlet bend pipe cooling water inlet flange is installed; The coolant outlet flange is installed on the described coolant outlet bend pipe.
Remarkable result of the present utility model is: coiled residual heat removal pump mechanical seal water heat exchanger described in the utility model, its compact conformation, heat exchange efficiency height can effectively cool off the mechanical seal water of this pump.
Description of drawings
Fig. 1 is a kind of coiled residual heat removal pump mechanical seal water heat exchanger structural representation described in the utility model;
Fig. 2 is the vertical view of Fig. 1;
Among the figure: 1, cooling water inlet flange; 2, cooling water inlet bend pipe; 3, mechanical seal water inlet flange; 4, coolant outlet flange; 5, coolant outlet bend pipe; 6, mechanical seal water out flange; 7, vent connection; 8, the mechanical seal water out is taken over; 9, flange plate; 10, shell flange; 11, cylindrical shell; 12, heat exchanger tube; 13, baffling sleeve; 14, ellipse head; 15, drain nozzle; 16, bolt; 17, gasket seal; 18, the mechanical seal water inlet is taken over.
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of coiled residual heat removal pump mechanical seal water heat exchanger, comprise cylindrical shell 11, cooling water inlet bend pipe 2, coolant outlet bend pipe 5, heat exchanger tube 12, the adapter 18 of mechanical seal water inlet and mechanical seal water out adapter 8, wherein, cylindrical shell 11 lower ends of cylindrical drum structure are by ellipse head 14 sealing, and at ellipse head 14 center drillings and drain nozzle 15 is installed; Fixedly there is shell flange 10 cylindrical shell 11 upper ends, and flange plate 9 is fixed on the upper end of shell flange 10 by several bolts 16, and the gasket seal 17 that passes through between flange plate 9 and the shell flange 10 is realized sealing between flange plates 9 and the shell flange 10; The upper end is equipped with the mechanical seal water inlet adapter 18 of mechanical seal water inlet flange 3 and passes flange plate 9, and be connected with the spiral end of the heat exchanger tube 12 of helical disk tubulose, heat exchanger tube 12 coilings are built up in the baffling sleeve 13 in the cylindrical shell 11, and the spiral pipe end of heat exchanger tube 12 lower ends passes baffling sleeve 13, and take over 8 with the mechanical seal water out that passes flange plate 9 and fixedly connected, and the upper end in mechanical seal water out adapter 8 is equipped with mechanical seal water out flange 6, wherein, baffling sleeve 13 is the cylindrical drum structure, and the area of baffling sleeve 13 is suitable with baffling sleeve 13 outer field annulus areas; The cooling water inlet bend pipe 2 that cooling water inlet flange 1 is installed passes and is fixed on the flange plate 9 that is positioned at baffling sleeve 13 upper areas, and the coolant outlet bend pipe 5 that coolant outlet flange 4 is installed passes and is fixed on the flange plate 9 above the annular region between baffling sleeve 13 and the cylindrical shell 11, and the flange plate above this annular region 9 also is equipped with vent connection 7.
In a kind of coiled residual heat removal pump mechanical seal water heat exchanger described in the utility model, after the higher mechanical seal water of pressure enters the heat exchanger tube 12 of helical disk tubulose by mechanical seal water inlet adapter 18, taking over 8 by the mechanical seal water out again discharges, and after the lower cooling water of pressure enters baffling sleeve 13 by cooling water inlet bend pipe 5, after carrying out heat exchange with heat exchanger tube 12, behind baffling sleeve 13 and cylindrical shell 11 annular spaces, discharge from coolant outlet bend pipe 5.
Claims (5)
1. coiled residual heat removal pump mechanical seal water heat exchanger, comprise that cylindrical shell (11), cooling water inlet bend pipe (2), coolant outlet bend pipe (5), heat exchanger tube (12), mechanical seal water inlet are taken over (18) and the mechanical seal water out is taken over (8), wherein, the cylindrical shell of cylindrical drum structure (11) lower end is by ellipse head (14) sealing, it is characterized in that: fixedly there is shell flange (10) cylindrical shell (11) upper end, and flange plate (9) is fixed on the upper end of shell flange (10) by several bolts (16); The mechanical seal water inlet is taken over (18) and is passed flange plate (9), and be connected with the spiral end of the heat exchanger tube (12) of helical disk tubulose, heat exchanger tube (12) coiling is built up in the baffling sleeve (13) in the cylindrical shell (11), and the spiral pipe end of heat exchanger tube (12) lower end passes baffling sleeve (13), and fixedlys connected with the mechanical seal water out adapter (8) of passing flange plate (9); Cooling water inlet bend pipe (2) passes and is fixed on the flange plate (9) that is positioned at baffling sleeve (13) upper area, and coolant outlet bend pipe (5) passes and is fixed on the flange plate (9) that is positioned at annular region top between baffling sleeve (13) and the cylindrical shell (11).
2. a kind of coiled residual heat removal pump mechanical seal water heat exchanger according to claim 1, it is characterized in that: described baffling sleeve (13) is the cylindrical drum structure, and the area of ring section is suitable between the circular cross-sectional area of baffling sleeve (13) and baffling sleeve (13) and the cylindrical shell (11).
3. a kind of coiled residual heat removal pump mechanical seal water heat exchanger according to claim 1, it is characterized in that: described ellipse head (14) center drilling also is equipped with drain nozzle (15); Also be provided with vent connection (7) on the flange plate (9) of annular region top between described baffling sleeve (13) and the cylindrical shell (11).
4. a kind of coiled residual heat removal pump mechanical seal water heat exchanger according to claim 1, it is characterized in that: be provided with gasket seal (17) between described flange plate (9) and the shell flange (10), can realize sealing between flange plate (9) and the shell flange (10).
5. a kind of coiled residual heat removal pump mechanical seal water heat exchanger according to claim 1 is characterized in that: mechanical seal water inlet flange (3) is installed on the described mechanical seal water inlet adapter (18); Described mechanical seal water out is taken over (8) upper end mechanical seal water out flange (6) is installed; Cooling water inlet flange (1) is installed on the described cooling water inlet bend pipe (2); Described coolant outlet bend pipe (5) is gone up coolant outlet flange (4) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688320 CN203069013U (en) | 2012-12-13 | 2012-12-13 | Coiled pipe type heat exchanger for residual heat removal pump mechanical seal water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688320 CN203069013U (en) | 2012-12-13 | 2012-12-13 | Coiled pipe type heat exchanger for residual heat removal pump mechanical seal water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069013U true CN203069013U (en) | 2013-07-17 |
Family
ID=48767792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220688320 Expired - Lifetime CN203069013U (en) | 2012-12-13 | 2012-12-13 | Coiled pipe type heat exchanger for residual heat removal pump mechanical seal water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069013U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424013A (en) * | 2013-08-28 | 2013-12-04 | 常熟市高压容器制造有限公司 | Shell and tube heat exchanger |
| CN103868375A (en) * | 2012-12-13 | 2014-06-18 | 中国核动力研究设计院 | Coiled pipe type mechanical seal water heat exchanger of residual heat removal pump |
| CN104034187A (en) * | 2014-06-09 | 2014-09-10 | 温州天旭机械设备有限公司 | Heat exchanger for mechanical seal flushing system |
| CN106595343A (en) * | 2016-12-27 | 2017-04-26 | 滨州市甲力太阳能科技有限公司 | Multi-slice helical coil heat exchanger |
-
2012
- 2012-12-13 CN CN 201220688320 patent/CN203069013U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868375A (en) * | 2012-12-13 | 2014-06-18 | 中国核动力研究设计院 | Coiled pipe type mechanical seal water heat exchanger of residual heat removal pump |
| CN103424013A (en) * | 2013-08-28 | 2013-12-04 | 常熟市高压容器制造有限公司 | Shell and tube heat exchanger |
| CN104034187A (en) * | 2014-06-09 | 2014-09-10 | 温州天旭机械设备有限公司 | Heat exchanger for mechanical seal flushing system |
| CN104034187B (en) * | 2014-06-09 | 2016-01-27 | 温州天旭机械设备有限公司 | For the heat exchanger of mechanical seal rinsing system |
| CN106595343A (en) * | 2016-12-27 | 2017-04-26 | 滨州市甲力太阳能科技有限公司 | Multi-slice helical coil heat exchanger |
| CN106595343B (en) * | 2016-12-27 | 2018-11-16 | 滨州市甲力太阳能科技有限公司 | Multi-layer spiral coiled formula exchanger |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |